package com.liaogui;

import java.util.Hashtable;
import java.util.Map;

/**
 * @author liaogui
 * @date 2025/4/1 11:30
 */
public class Test03 {
    public static void main(String[] args) {
        Map<String, String> map = new Hashtable<>();
        map.put("a", "a");
        map.put("b", "b");
        map.put("c", "c");
    }
}
